

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(){
    int i;

    srand(time(NULL));

    for(i=1; i<=9; i++){
        printf("%.2f\t", (float) rand()/RAND_MAX);
        if(i%3 == 0)
            printf("\n");
    }

    printf("_______________________\n");

    for(i=1; i<=9; i++){
        printf("%.2f\t", (float) rand()/RAND_MAX*50);
        if(i%3 == 0)
            printf("\n");
    }

    printf("_______________________\n");

    for(i=1; i<=9; i++){
        printf("%.2f\t", 50 + (float) rand()/RAND_MAX*(100-50));
        if(i%3 == 0)
            printf("\n");
    }

    printf("_______________________\n");

    return 0;
}
